Granted Patent
Utility
US 4,773,053 · App. 06/866,967
Optical system for guiding the read beam in a magneto-optical storage
Inventor:
Norbert Gottfried
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: May 27, 1986
Inventor
Norbert Gottfried
Assignee (at issue)
Siemens Aktiengesellschaft
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.